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With 12.4 lbs difference in the the water pump housing, the difference between a stock intake and the aluminum Edelbrock and whatever the little dab of difference between the aluminum water pump and the stock one would be, will help some, in getting a little weight off of the front end. All the A/C stuff will be gone and the battery is going to the bed of the truck. I know the 440 is pretty heavy by itself and I'm trying to drop a little of that, if I can. Again, I appreciate the input here. Bill



Those combined changes are probably more than the difference between an RB and and LA engine. At least on the front end.
Now imagine a set of eddy or source heads.

Course you're still handicapped by the fact you're dealing with a TRUCK. What does IT weigh?